v3.26.1
Income Tax - Summary of Deferred Taxes (Details) - EUR (€)
€ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Beginning balance deferred tax assets net € 39.3 € 41.6
Recognized in P&L (73.9) 80.0
Recognized in OCI (0.2) 2.7
Recognized through business combinations 17.9 0.0
Recognized directly in equity 18.1 (85.0)
Ending balance deferred tax assets net (70.8) 39.3
Gross carrying amount    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Beginning balance deferred tax assets net 371.7 179.6
Recognized in P&L 212.9 213.9
Recognized in OCI (0.2) 63.2
Recognized through business combinations 6.4 0.0
Recognized directly in equity 39.8 (85.0)
Ending balance deferred tax assets net 538.2 371.7
Valuation adjustment    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Beginning balance deferred tax assets net 332.4 138.0
Recognized in P&L 286.8 133.9
Recognized in OCI 0.0 60.5
Recognized through business combinations 11.5 0.0
Recognized directly in equity (21.7) 0.0
Ending balance deferred tax assets net 609.0 332.4
Fixed assets | Gross carrying amount    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Beginning balance deferred tax assets net 3.1 (8.4)
Recognized in P&L 57.5 11.5
Recognized in OCI 0.0 0.0
Recognized through business combinations 54.4 0.0
Recognized directly in equity 0.0 0.0
Ending balance deferred tax assets net 6.2 3.1
Right-of-use assets | Gross carrying amount    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Beginning balance deferred tax assets net (64.9) (56.6)
Recognized in P&L 4.8 (8.3)
Recognized in OCI 0.0 0.0
Recognized through business combinations 0.0 0.0
Recognized directly in equity 0.0 0.0
Ending balance deferred tax assets net (60.1) (64.9)
Inventories | Gross carrying amount    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Beginning balance deferred tax assets net 81.9 113.6
Recognized in P&L (27.0) (31.7)
Recognized in OCI 0.0 0.0
Recognized through business combinations 0.0 0.0
Recognized directly in equity 0.0 0.0
Ending balance deferred tax assets net 54.9 81.9
Trade and other receivables | Gross carrying amount    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Beginning balance deferred tax assets net (502.1) (90.0)
Recognized in P&L 489.2 (412.1)
Recognized in OCI 0.0 0.0
Recognized through business combinations 0.0 0.0
Recognized directly in equity 0.0 0.0
Ending balance deferred tax assets net (12.9) (502.1)
Lease liabilities | Gross carrying amount    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Beginning balance deferred tax assets net 70.5 57.2
Recognized in P&L (8.7) 13.3
Recognized in OCI 0.0 0.0
Recognized through business combinations 0.0 0.0
Recognized directly in equity 0.0 0.0
Ending balance deferred tax assets net 61.8 70.5
Loans and borrowings | Gross carrying amount    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Beginning balance deferred tax assets net 25.2 4.8
Recognized in P&L (6.2) 20.4
Recognized in OCI 0.0 0.0
Recognized through business combinations 0.0 0.0
Recognized directly in equity 0.0 0.0
Ending balance deferred tax assets net 19.0 25.2
Contract liabilities | Gross carrying amount    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Beginning balance deferred tax assets net (90.3) (43.0)
Recognized in P&L (110.6) (47.3)
Recognized in OCI 0.0 0.0
Recognized through business combinations 0.0 0.0
Recognized directly in equity 0.0 0.0
Ending balance deferred tax assets net (200.9) (90.3)
Net employee defined benefit liabilities | Gross carrying amount    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Beginning balance deferred tax assets net 0.7 0.6
Recognized in P&L 0.1 0.1
Recognized in OCI (0.2) 0.0
Recognized through business combinations 0.0 0.0
Recognized directly in equity 0.0 0.0
Ending balance deferred tax assets net 0.6 0.7
Share-Based Payment Arrangements | Gross carrying amount    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Beginning balance deferred tax assets net 77.4 142.1
Recognized in P&L (16.0) 20.3
Recognized in OCI 0.0 0.0
Recognized through business combinations 0.0 0.0
Recognized directly in equity 33.3 0.0
Ending balance deferred tax assets net 28.1 77.4
Other Provisions | Gross carrying amount    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Beginning balance deferred tax assets net 14.2 9.8
Recognized in P&L 10.7 4.4
Recognized in OCI 0.0 0.0
Recognized through business combinations 0.0 0.0
Recognized directly in equity 0.0 (85.0)
Ending balance deferred tax assets net 24.9 14.2
Other (incl. deferred expenses) | Gross carrying amount    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Beginning balance deferred tax assets net 368.2 (44.9)
Recognized in P&L (415.2) 413.1
Recognized in OCI 0.0 0.0
Recognized through business combinations 2.1 0.0
Recognized directly in equity 0.0 0.0
Ending balance deferred tax assets net (49.1) 368.2
Tax losses / tax credits | Gross carrying amount    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Beginning balance deferred tax assets net 387.8 94.4
Recognized in P&L 234.3 230.2
Recognized in OCI 0.0 63.2
Recognized through business combinations (50.1) 0.0
Recognized directly in equity 6.5 0.0
Ending balance deferred tax assets net 665.7 387.8
Thereof deferred tax assets    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Beginning balance deferred tax assets net 81.7 81.3
Recognized in P&L (124.3) 82.7
Recognized in OCI 0.0 2.7
Recognized through business combinations (74.2) 0.0
Recognized directly in equity 18.1 (85.0)
Ending balance deferred tax assets net 13.5 81.7
Thereof deferred tax liability    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Beginning balance deferred tax assets net (42.4) (39.7)
Recognized in P&L 50.4 (2.7)
Recognized in OCI (0.2) 0.0
Recognized through business combinations 92.1 0.0
Recognized directly in equity 0.0 0.0
Ending balance deferred tax assets net € (84.3) € (42.4)